ZERO LIQUID DISCHARGE (ZLD) - Filter Press | Austro WaterTech





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Published on Apr 24, 2018

https://goo.gl/yqTzMx ZERO LIQUID DISCHARGE (ZLD) - Filter Press


Reduce wastewater streams to dry solids – with Zero Water
Zero-liquid discharge (ZLD) is an advanced wastewater treatment process that ensures that every drop of wastewater is purified and recycled. At the end of the Waste Water Treatment process, there is not even a single drop of wastewater is discharged – Zero Liquid Discharge.

Austro Water Tech
Austro Water Tech has an unparalleled depth of experience in ZLD, which include more than 500 installations, including stand-alone thermal/evaporative processes, membrane processes, or hybrid systems.

Austro Water Tech’s ZLD treatment system enables your facility to handle variations in waste contamination and flow, allow for required chemical volumes adjustments. Water Recovery for reuse
: Treat and retrieve valuable by-products from your waste (i.e. salts and brines) Produce a dry, solid cake for disposal

Austro Water Tech’s Filter Press
After passing through the Primary and Secondary Treatment stages, the sludge is treated separately to recover the last drop of water.A filter press is a piece of batch operation with a fixed volume equipment installed after considering the ZLD Treatment Plant’s output criteria. Using Pressure Filtration technology, the Filter Press separates liquids and solids. The sludge in the form of slurry is pumped into the filter press and the remaining water is recovered. Solids build on the cloth of the filter and water is squeezed out of the filter using high amount of pressure. Recovered water is recycled back for use in the process.

Why ZLD?
Local discharge regulations might require ZLD
Your facility is located in a place with severe water scarcity challenges; you could reuse the recovered water thereby reducing your input water cost
High-cost discharge rates - Austro Water Tech’s advanced Zero Liquid Discharge Plants brings down your operations cost
Designed to recover specific waste stream salts for valuable product recovery
Simple colour graphic controls and an automatic wash system to ensure ease of operation
Minimal energy consumption


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